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Finding the Fourth Proportional to 63,055.49, 87,017.18 and 34,762.19

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Solution

The fourth proportional to 63,055.49, 87,017.18 and 34,762.19 is: 47,972.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,055.49 : 87,017.18 = 34,762.19 : x
  2. Step 2: Convert to fraction form
    63,055.49/87,017.18 = 34,762.19/x
  3. Step 3: Cross multiply
    63,055.49x = 87,017.18 × 34,762.19
  4. Step 4: Simplify right side
    63,055.49x = 3,024,907,135.53
  5. Step 5: Solve for x
    x = 3,024,907,135.53/63,055.49
  6. Step 6: Final answer
    x = 47,972.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.